Module: Mesa
Branch: master
Commit: 75e919c0454dcc759dce69c46717356980f18fd8
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=75e919c0454dcc759dce69c46717356980f18fd8
Author: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Date: Mon May 21 16:57:54 2018 +0200
radv: fix computation of user sgprs for 32-bit pointers
With 32-bit pointers we only need one user SGPR per desc set.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl>
---
src/amd/vulkan/radv_nir_to_llvm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/src/amd/vulkan/radv_nir_to_llvm.c
b/src/amd/vulkan/radv_nir_to_llvm.c
index 39692e99fd..b174c027d9 100644
--- a/src/amd/vulkan/radv_nir_to_llvm.c
+++ b/src/amd/vulkan/radv_nir_to_llvm.c
@@ -694,8 +694,10 @@ static void allocate_user_sgprs(struct radv_shader_context
*ctx,
uint32_t available_sgprs = ctx->options->chip_class >= GFX9 ? 32 : 16;
uint32_t remaining_sgprs = available_sgprs - user_sgpr_count;
+ uint32_t num_desc_set =
+ util_bitcount(ctx->shader_info->info.desc_set_used_mask);
- if (remaining_sgprs / 2 <
util_bitcount(ctx->shader_info->info.desc_set_used_mask)) {
+ if (remaining_sgprs / (HAVE_32BIT_POINTERS ? 1 : 2) < num_desc_set) {
user_sgpr_info->indirect_all_descriptor_sets = true;
}
}
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